[mythtv-users] Remote recorder advice

[Andrew Wilkinson]

Hi,

Thanks, I wasn't aware of those settings. On the page
https://www.mythtv.org/wiki/User_Manual:Setting_Up#Slave_Backend it says
that "The design requires that all backends be powered on whenever any task
is running. You cannot save power by having some backends powered off even
if they are idle. Once all backends are idle they can all be powered off."
Does this mean that all the slave backends can be powered off, or that the
slaves and master have to be turned off together? I was hoping to keep the
master running 24/7 so we can watch recordings quickly, but that it would
turn the slave on and off as needed to do recordings.

Thanks,
Andrew

On Tue, Mar 10, 2020 at 6:33 PM Jonatan Lindblad <lindbladjonatan at gmail.com>
wrote:

> Den 2020-03-09 kl. 23:02, skrev Andrew Wilkinson:
> > Hi,
> >
> > I am considering changing the architecture of my MythTV system, and I’m
> looking for advice on the best way to proceed, or if what I’m trying to
> achieve is even possible. Currently I have a Raspberry Pi frontend which
> connects to a single backend running on a computer behind my sofa. The
> recordings are stored on a Synology NAS and are mounted by both the front
> and backends.
> >
> > My biggest issue is that the frontend has to wake up the backend when it
> turns on. This can be quite slow, and often we need to click Retry to get
> the connection to the backend to work. I could add a delay, but I would
> prefer to make the frontend quicker to start not slower.
> >
> > I am considering moving the master backend to run inside Docker on my
> Synology. That way it can be running all the time (so need to wake it up)
> and there will be less noise when we’re not recording as the Synology is
> quieter than the current backend computer.
> >
> > I record from two PCI-E cards in the backend, so they can’t move to the
> Synology. My initial thought was to set up a slave backend, and then
> whenever it needed to record the master could wake the slave up and shut it
> down when the recording finished. After researching this it appears that
> slave backends have to be on the whole time the master is running, and
> can’t be dynamically started and shutdown. Is that correct?
>
> You can configure slave backends to do this with the "Sleep command" and
> "Wake command" settings that are under General/Backend Wakeup
> settings/Slave Backends in mythtv-setup (run it on the slave the backend).
>
> Cheers
> Jonatan
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